121407242061 has 8 divisors (see below), whose sum is σ = 185001511744. Its totient is φ = 69375566880.

The previous prime is 121407242029. The next prime is 121407242083. The reversal of 121407242061 is 160242704121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121407242061 - 2⁵ = 121407242029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121407240061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890648600 + ... + 2890648641.

It is an arithmetic number, because the mean of its divisors is an integer number (23125188968).

Almost surely, 2^121407242061 is an apocalyptic number.

It is an amenable number.

121407242061 is a deficient number, since it is larger than the sum of its proper divisors (63594269683).

121407242061 is an equidigital number, since it uses as much as digits as its factorization.

121407242061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781297251.

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 121407242061 its reverse (160242704121), we get a palindrome (281649946182).

The spelling of 121407242061 in words is "one hundred twenty-one billion, four hundred seven million, two hundred forty-two thousand, sixty-one".